Frisket pen



FIG. 1 is a front elevational view of a frisket pen, showing our newdesign;

FIG. 2 is a top plan view thereof;

FIG. 3 is an enlarged scale left end elevational view thereof;

FIG. 4 is an enlarged scale right end elevational view thereof; and

FIG. 5 is a perspective view thereof.

The ornamental design for a frisket pen, substantially as shown anddescribed.